BeNbCr2

metal

· JVASP-71996· BeNbCr2

BeNbCr2 is an experimental refractory metal alloy combining beryllium, niobium, and chromium, belonging to the high-temperature metal family. This composition is primarily a research material being investigated for ultra-high-temperature structural applications where conventional superalloys reach their limits, with potential use in aerospace propulsion systems and extreme thermal environments. The alloy's appeal lies in its low density relative to refractory metals, making it a candidate for weight-critical applications where traditional tungsten or molybdenum-based systems would add excessive mass.

high-temperature aerospace structuresexperimental hypersonic propulsionrefractory metal researchlightweight thermal protectionadvanced defense systemsmaterials development phase

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	191.4	GPa	—
Poisson's Ratio(ν)	0.4700	-	—
Shear Modulus(G)	51.72	GPa	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Density(ρ)	6.718	kg/m³	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.3379	eV/atom	—
Formation Energy(ΔHf)	0.2269	eV/atom	—

Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

BeNbCr2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control